摘要:
Provided are a biaxially stretched laminated polyester film and a laminated glass composed of the same. Specifically, the invention is achieved by a biaxially stretched laminated polyester film including 51 layers or more in total, in which a first layer and a second layer are alternately laminated, wherein a polyester (A) constituting the first layer is polyethylene-2,6-naphthalenedicarboxylate; a polyester (B) constituting the second layer is a polyester containing at least one of an ethylene terephthalate component and an ethylene naphthalene dicarboxylate component; an average reflectance within a wavelength range of 400 to 750 nm is not more than 25%; an average reflectance within a wavelength range of 800 to 1,200 nm is 50% or more; and a Young's modulus of the film at 90° C. is 2,400 MPa or more in at least one direction of the longitudinal direction and the lateral direction of the film.
摘要:
Disclosed is a biaxially oriented film for electrical insulation having even better withstand voltage characteristics than before together with excellent film-forming properties. The biaxially oriented film for electrical insulation of the invention is a film that includes a substrate layer containing a crystalline thermoplastic resin as a main component. The substrate layer contains a phenolic stabilizer in an amount of 0.001 wt % or more and 3 wt % or less based on the weight of the substrate layer. The phenolic stabilizer is an alkylenebisamide-type hindered phenol.
摘要:
Provided are a biaxially stretched laminated polyester film and a laminated glass composed of the same. Specifically, the invention is achieved by a biaxially stretched laminated polyester film including 51 layers or more in total, in which a first layer and a second layer are alternately laminated, wherein a polyester (A) constituting the first layer is polyethylene-2,6-naphthalenedicarboxylate; a polyester (B) constituting the second layer is a polyester containing at least one of an ethylene terephthalate component and an ethylene naphthalene dicarboxylate component; an average reflectance within a wavelength range of 400 to 750 nm is not more than 25%; an average reflectance within a wavelength range of 800 to 1,200 nm is 50% or more; and a Young's modulus of the film at 90° C. is 2,400 MPa or more in at least one direction of the longitudinal direction and the lateral direction of the film.
摘要:
The present invention relates to a hard coat film having a hard coat layer on at least one side of a base film, wherein the surface of the hard coat layer has a water contact angle of 78 to 90° and an n-dodecane contact angle of 22° or less. The hard coat film has excellent fingerprint resistance when it is used in a finger input touch panel; has excellent adhesion and no defects which disturb optical inspection when it is used as a protective film for a capacitance touch panel; and preferably has high uniformity in film thickness.
摘要:
There is provided a laminated film for a dye-sensitized solar cell characterized by comprising a polyester film and a transparent conductive layer formed on one side thereof, the transparent conductive layer having a surface tension of 40 mN/m or greater, and an electrode for a dye-sensitized solar cell with excellent adhesion between the transparent conductive layer and porous semiconductor layer and high photogenerating efficiency.
摘要:
An object of the invention is to provide such an oriented polyester film that has a constant thickness, and is excellent in dimensional stability at a high temperature and dimensional stability to temperature change in a working temperature range. The invention relates to an oriented polyester film containing as a major component of a substrate layer polyethylene -2,6-naphthalene dicarboxylate, being stretched at least in one direction, and having a film thickness of from 12 to 250 μm, wherein (1) a coefficient of linear thermal expansion αt at a temperature of from 30 to 100° C. is from 0 to 15 ppm/° C. in both longitudinal and width directions of the film, and (2) a thermal shrinkage rate at 100° C. for 10 minutes is 0.5% or less in both longitudinal and width directions of the film.
摘要:
A conductive film which is excellent in moist heat resistance, conductivity, transparency and coating film strength.The conductive film comprises a base film and a coating layer formed on the base film by curing a composition comprising: (i) a conducting polymer containing a polycationic polythiophene having a recurring unit represented by the following formula (1) as the main constituent and a polyanion (component A): wherein R1 and R2 are each independently a hydrogen atom or alkyl group having 1 to 4 carbon atoms or bonded together to form an alkylene group having 1 to 12 carbon atoms which may be substituted arbitrarily; (ii) a water-soluble compound having at least one hydrophilic group selected from the group consisting of oxyethylene group and sulfonate group (component B); and (iii) a crosslinking agent having a glycidyl group (component C), and which has a surface resistance change rate after it is treated at a temperature of 60° C. and a humidity of 90% for 240 hours of 160% or less.
摘要:
A multi-layer film for use as a solar cell substrate, consisting of a supporting layer (s) and a scattering layer (s), wherein the supporting layer comprises a thermoplastic crystalline resin, the scattering layer comprises a thermoplastic crystalline resin and particles having a different refractive index from the refractive index of the thermoplastic crystalline resin, the content of the particles in the scattering layer is 0.05 to 20 vol % based on the volume of the scattering layer, the absolute value of the difference between the refractive index of the particles contained in the scattering layer and the refractive index of the thermoplastic crystalline resin in the scattering layer is 0.01 to 1.00, the both surfaces of the multi-layer film have a center line average surface roughness Ra of not more than 50 nm, and the multi-layer film has a total light transmittance Tt of not less than 80% and a haze ratio of not less than 8%.
摘要:
An object of the present invention is to provide a thin biaxially oriented film excellent in dimensional stability against humidity change, as well as a magnetic recording medium and a film capacitor using the same. The present invention provides a single layered or laminated biaxially oriented film comprising an aromatic polyester (a) and a polyolefin (b) having a melting point of from 230 to 280° C., wherein the ratio of the polyolefin (b) is from 2 to 60% based on the entire weight of the film, and the film thickness is from 1 to 10 μm.
摘要:
There is provided a white polyester film which retains practically satisfactory reflectivity with respect to the visible light range, can undergo stable film production even when inorganic fine particles are added in high concentration and is stable against a dimensional change caused by heat generated from a light source. The polyester film is a polyester film which comprises a composition comprising a copolyester and 30 to 50 wt % of inorganic fine particles based on the composition, shows a thermal shrinkage at 85° C. in longitudinal and transverse directions of not higher than 0.7% and a thermal shrinkage at 150° C. in the longitudinal and transverse directions of not higher than 5.0%, and shows an average reflectance at a wavelength of 400 to 700 nm of not lower than 90%.